FHWA NBI 2024 Inspection record Public-domain dataset

VANDERDASSON RD

Carrying VANDERDASSON RD over SEVEN MILE SLOUGH

0.1 S. 4.4 W. EMMETT, Gem, Idaho

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
80 t Inventory load rating Higher than 98% of rated Idaho bridges

VANDERDASSON RD in Gem, Idaho sits above 98% of rated Idaho bridges on inventory load rating (80 t), while its 2013 build year is earlier than 7% of Gem's recorded-year cohort (57 bridges).

VANDERDASSON RD in Gem, Idaho is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2013, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure ID:000000000028101

POST-2000 · STEEL · LONG-SPAN-RUN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • STEEL Steel
  • LONG-SPAN-RUN 5 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: VANDERDASSON RD

The VANDERDASSON RD bridge in Gem, Idaho carries VANDERDASSON RD over SEVEN MILE SLOUGH. It was built in 2013, making it 13 years old today. The structure is built primarily of steel and spans 5 sections, stretching 16.5 meters (54 feet) end to end. Daily traffic averages 480 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How VANDERDASSON RD compares

▲ 46.4
Load rating vs Idaho average (33.3 t; 4,574 of 4,616 rated)
57
Bridges in Gem · 1 in Poor condition

Age against the county: built in 2013, earlier than 4 of Gem's 57 bridges with a recorded construction year (7%), against a county median build year of 1973. This is one of the newer structures in its county.

VANDERDASSON RD 79.7 t
Idaho average (4,574 of 4,616 rated) 33.3 t

Live comparison across Idaho bridges with a recorded inventory load rating (4,574 of 4,616 rated).

VANDERDASSON RD vs every rated Idaho bridge

Inventory load rating (metric tons), FHWA NBI, this state

80 Top 2% higher than 98% of 4,574 bridges

rated Idaho bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
79.7 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Gem inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 57 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2013
Material
Steel
Number of Spans
5
Structure Length
16.5 m (54 ft)
Deck Width
16.0 m (52 ft)
Owner
County Highway Agency
Avg Daily Traffic
480 vehicles/day
Structure Number
000000000028101

How to read this record

This page shows what the last federal inspection recorded, not whether VANDERDASSON RD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare VANDERDASSON RD against other structures in Gem and across Idaho. Idaho bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for VANDERDASSON RD?

VANDERDASSON RD in Gem, Idaho on the FHWA's 0–9 scale.

How often is VANDERDASSON RD inspected?

VANDERDASSON RD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 480 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. VANDERDASSON RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for VANDERDASSON RD?

VANDERDASSON RD has an NBI inventory load rating of 79.7 metric tons.

Who is responsible for maintaining VANDERDASSON RD?

VANDERDASSON RD is owned and maintained by County Highway Agency.

How old is VANDERDASSON RD and does age affect safety?

VANDERDASSON RD was built in 2013, making it 13 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.